Leifur Leifsson

67 papers Misc 13Journal 19Unranked 35
YearRankTypeTitle / Venue / Authors
2026 J jnl
Effective Medium Modeling of Anisotropic Perforated Composites: Electromagnetic Equivalence of Elliptical and Capsule Structure.
IEEE Access
Ravi Yadav, Meha Agrawal, Slawomir Koziel, Leifur Leifsson
2026 J jnl
Expedited Model-Based Multi-Objective Microwave Design With Interleaved ML and Local Design Adjustments.
IEEE Access
Slawomir Koziel, Anna Pietrenko-Dabrowska, Leifur Leifsson
2026 J jnl
Isolation and Circular Polarization Diversity in 2×1 MIMO Microstrip Patch Array Using Closed Metallic Loop.
IEEE Access
Manzoor Elahi, Slawomir Koziel, Leifur Leifsson
2025 J jnl
A Non-PCM-Based 2 × 2 MIMO Antenna Array With Low Radar Cross-Section Using Characteristic Mode Analysis.
IEEE Access
Manzoor Elahi, Slawomir Koziel, Leifur Leifsson
2025 J jnl
A scalable composite Bayesian optimization framework for engineering design using deep learning reduced-order models.
J. Comput. Sci.
Abhijnan Dikshit, Leifur Leifsson
2025 — conf
Adaptive Global Modeling Using Neural Networks with Deep Ensembles and Space-Filling Sequences.
ICCS (Workshops 2)
Pavankumar Koratikere, Leifur Leifsson, Slawomir Koziel, Anna Pietrenko-Dabrowska
2025 — conf
Automated Antenna Design Using Computational Intelligence and Numerical Optimization.
ICCS (Workshops 2)
Slawomir Koziel, Anna Pietrenko-Dabrowska, Leifur Leifsson
2025 — conf
Global Optimization of Microwave Circuits Using Dimensionality Reduction and Multi-fidelity EM Simulations.
ICCS (3)
Slawomir Koziel, Anna Pietrenko-Dabrowska, Leifur Leifsson
2025 J jnl
Power Transmission for Millimeter-Wave Indoor/Outdoor Wearable IoT Devices Using Grounded Coplanar Waveguide-Fed On-Body Antenna.
IEEE Access
Fuad Erman, Slawomir Koziel, Alhareth Zyoud, Leifur Leifsson, Ubaid Ullah, Shaker Alkaraki
2025 — conf
Reduced-Order Modeling of Compressible Flows Using Supervised Dimensionality Reduction.
ICCS (Workshops 2)
Abhijnan Dikshit, Leifur Leifsson, Slawomir Koziel, Anna Pietrenko-Dabrowska
2025 J jnl
Scalable Neural Network-based Blackbox Optimization.
CoRR
Pavankumar Koratikere, Leifur Leifsson
2025 J jnl
Self-Isolation in MIMO Array Using Mode Diversity.
IEEE Access
Manzoor Elahi, Slawomir Koziel, Leifur Leifsson
2025 J jnl
Self-Isolation in MIMO Microstrip Patch Arrays Using Annular Via-Based Mode Conversion.
IEEE Access
Manzoor Elahi, Slawomir Koziel, Leifur Leifsson
2024 — conf
Adaptive Hyperparameter Tuning Within Neural Network-Based Efficient Global Optimization.
ICCS (5)
Taeho Jeong, Pavankumar Koratikere, Leifur Leifsson, Slawomir Koziel, Anna Pietrenko-Dabrowska
2024 — conf
Adaptive Sampling for Non-intrusive Reduced Order Models Using Multi-task Variance.
ICCS (5)
Abhijnan Dikshit, Leifur Leifsson, Slawomir Koziel, Anna Pietrenko-Dabrowska
2024 — conf
Cost-Efficient Multi-Objective Design of Miniaturized Microwave Circuits Using Machine Learning and Artificial Neural Networks.
ICCS (5)
Slawomir Koziel, Anna Pietrenko-Dabrowska, Leifur Leifsson
2024 — conf
Expedited Machine-Learning-Based Global Design Optimization of Antenna Systems Using Response Features and Multi-fidelity EM Analysis.
ICCS (5)
Anna Pietrenko-Dabrowska, Slawomir Koziel, Leifur Leifsson
2024 J jnl
Multifidelity aerodynamic shape optimization for airfoil dynamic stall mitigation using manifold mapping.
J. Comput. Sci.
Vishal Raul, Leifur Leifsson
2023 J jnl
A Low-Cost System for Far-Field Non-Anechoic Measurements of Antenna Performance Figures.
IEEE Access
Jan Olencki, Vorya Waladi, Adrian Bekasiewicz, Leifur Leifsson
2023 J jnl
Broadband/Dual-Band Metal-Mountable UHF RFID Tag Antennas: A Systematic Review, Taxonomy Analysis, Standards of Seamless RFID System Operation, Supporting IoT Implementations, Recommendations, and Future Directions.
IEEE Internet Things J.
Fuad Erman, Slawomir Koziel, Leifur Leifsson
2023 — conf
Constrained Aerodynamic Shape Optimization Using Neural Networks and Sequential Sampling.
ICCS (3)
Pavankumar Koratikere, Leifur Leifsson, Slawomir Koziel, Anna Pietrenko-Dabrowska
2023 — conf
Efficient Uncertainty Quantification Using Sequential Sampling-Based Neural Networks.
ICCS (3)
Pavankumar Koratikere, Leifur Leifsson, Slawomir Koziel, Anna Pietrenko-Dabrowska
2023 — conf
Expedited Metaheuristic-Based Antenna Optimization Using EM Model Resolution Management.
ICCS (3)
Anna Pietrenko-Dabrowska, Slawomir Koziel, Leifur Leifsson
2023 J jnl
Identifying key parameters impacting cost in large-scale complex space programs using simulation-based global sensitivity analysis.
Syst. Eng.
Nazareen Sikkandar Basha, Leifur Leifsson, Christina L. Bloebaum
2023 — conf
Low-Cost Behavioral Modeling of Antennas by Dimensionality Reduction and Domain Confinement.
ICCS (3)
Slawomir Koziel, Anna Pietrenko-Dabrowska, Leifur Leifsson
2022 — conf
Analysis of Agricultural and Engineering Systems Using Simulation Decomposition.
ICCS (3)
Yen-Chen Liu, Leifur Leifsson, Anna Pietrenko-Dabrowska, Slawomir Koziel
2022 — conf
Expedited Optimization of Passive Microwave Devices Using Gradient Search and Principal Directions.
ICCS (3)
Slawomir Koziel, Anna Pietrenko-Dabrowska, Leifur Leifsson
2022 — conf
Global Design Optimization of Microwave Circuits Using Response Feature Inverse Surrogates.
ICCS (3)
Anna Pietrenko-Dabrowska, Slawomir Koziel, Leifur Leifsson
2022 — conf
Global Surrogate Modeling by Neural Network-Based Model Uncertainty.
ICCS (3)
Leifur Leifsson, Jethro Nagawkar, Laurel Barnet, Kenneth Bryden, Slawomir Koziel, Anna Pietrenko-Dabrowska
2022 J jnl
Low-Profile Interdigitated UHF RFID Tag Antenna for Metallic Objects.
IEEE Access
Fuad Erman, Dalia Mansour, Mohammad Kouali, Arafat A. Shabaneh, Leifur Leifsson, Slawomir Koziel, Eng Hock Lim, Effariza Hanafi
2022 — conf
Multi-criterial Design of Antennas with Tolerance Analysis Using Response-Feature Predictors.
ICCS (3)
Anna Pietrenko-Dabrowska, Slawomir Koziel, Leifur Leifsson
2022 — conf
Neural Network-Based Sequential Global Sensitivity Analysis Algorithm.
ICCS (3)
Yen-Chen Liu, Leifur Leifsson, Slawomir Koziel, Anna Pietrenko-Dabrowska
2021 — conf
Endogenous Factors Affecting the Cost of Large-Scale Geo-Stationary Satellite Systems.
ICCS (4)
Nazareen Sikkandar Basha, Leifur Leifsson, Christina L. Bloebaum
2021 — conf
Expedited Trust-Region-Based Design Closure of Antennas by Variable-Resolution EM Simulations.
ICCS (4)
Slawomir Koziel, Anna Pietrenko-Dabrowska, Leifur Leifsson
2021 J jnl
Gradient-enhanced multifidelity neural networks for high-dimensional function approximation.
CoRR
Jethro Nagawkar, Leifur Leifsson
2021 — conf
Improved Design Closure of Compact Microwave Circuits by Means of Performance Requirement Adaptation.
ICCS (4)
Slawomir Koziel, Anna Pietrenko-Dabrowska, Leifur Leifsson
2021 — conf
Iterative Global Sensitivity Analysis Algorithm with Neural Network Surrogate Modeling.
ICCS (4)
Yen-Chen Liu, Jethro Nagawkar, Leifur Leifsson, Slawomir Koziel, Anna Pietrenko-Dabrowska
2021 — conf
Modeling the Contribution of Agriculture Towards Soil Nitrogen Surplus in Iowa.
ICCS (4)
Vishal Raul, Yen-Chen Liu, Leifur Leifsson, Amy L. Kaleita
2021 — conf
On Fast Multi-objective Optimization of Antenna Structures Using Pareto Front Triangulation and Inverse Surrogates.
ICCS (4)
Anna Pietrenko-Dabrowska, Slawomir Koziel, Leifur Leifsson
2020 — conf
Aerodynamic Shape Optimization for Delaying Dynamic Stall of Airfoils by Regression Kriging.
ICCS (5)
Vishal Raul, Leifur Leifsson, Slawomir Koziel
2020 — conf
Model-Based Sensitivity Analysis of Nondestructive Testing Systems Using Machine Learning Algorithms.
ICCS (5)
Jethro Nagawkar, Leifur Leifsson, Roberto Miorelli, Pierre Calmon
2020 — conf
Reduced-Cost Constrained Modeling of Microwave and Antenna Components: Recent Advances.
ICCS (5)
Anna Pietrenko-Dabrowska, Slawomir Koziel, Leifur Leifsson
2019 — conf
Rapid Multi-band Patch Antenna Yield Estimation Using Polynomial Chaos-Kriging.
ICCS (3)
Xiaosong Du, Leifur Leifsson, Slawomir Koziel
2019 — conf
Reduced-Cost Design Optimization of High-Frequency Structures Using Adaptive Jacobian Updates.
ICCS (3)
Slawomir Koziel, Anna Pietrenko-Dabrowska, Leifur Leifsson
2018 — conf
Explicit Size-Reduction-Oriented Design of a Compact Microstrip Rat-Race Coupler Using Surrogate-Based Optimization Methods.
ICCS (2)
Slawomir Koziel, Adrian Bekasiewicz, Leifur Leifsson, Xiaosong Du, Yonatan A. Tesfahunegn
2018 — conf
Model-Assisted Probability of Detection for Structural Health Monitoring of Flat Plates.
ICCS (2)
Xiaosong Du, Jin Yan, Simon Laflamme, Leifur Leifsson, Yonatan A. Tesfahunegn, Slawomir Koziel
2018 — conf
Stochastic-Expansions-Based Model-Assisted Probability of Detection Analysis of the Spherically-Void-Defect Benchmark Problem.
ICCS (2)
Xiaosong Du, Praveen Gurrala, Leifur Leifsson, Jiming Song, William Q. Meeker, Ronald A. Roberts, Slawomir Koziel, Yonatan A. Tesfahunegn
2017 Misc conf
Airfoil Design Under Uncertainty Using Non-Intrusive Polynomial Chaos Theory and Utility Functions.
ICCS
Xiaosong Du, Leifur Leifsson, Slawomir Koziel, Adrian Bekasiewicz
2017 Misc conf
Expedite Design of Variable-Topology Broadband Hybrid Couplers for Size Reduction Using Surrogate-Based Optimization and Co-Simulation Coarse Models.
ICCS
Piotr Kurgan, Slawomir Koziel, Leifur Leifsson, Xiaosong Du
2017 Misc conf
Pareto Ranking Bisection Algorithm for EM-Driven Multi-Objective Design of Antennas in Highly-Dimensional Parameter Spaces.
ICCS
Adrian Bekasiewicz, Slawomir Koziel, Leifur Leifsson, Xiaosong Du
2016 Misc conf
Cost-Efficient Microwave Design Optimization Using Adaptive Response Scaling.
ICCS
Slawomir Koziel, Adrian Bekasiewicz, Leifur Leifsson
2016 Misc conf
Expedited Dimension Scaling of Microwave and Antenna Structures using Inverse Surrogates.
ICCS
Slawomir Koziel, Adrian Bekasiewicz, Leifur Leifsson
2016 Misc conf
Sequential Domain Patching for Computationally Feasible Multi-objective Optimization of Expensive Electromagnetic Simulation Models.
ICCS
Adrian Bekasiewicz, Slawomir Koziel, Leifur Leifsson
2016 Misc conf
Supersonic Airfoil Shape Optimization by Variable-fidelity Models and Manifold Mapping.
ICCS
Jacob Siegler, Jie Ren, Leifur Leifsson, Slawomir Koziel, Adrian Bekasiewicz
2016 Misc conf
Surrogate Modeling of Ultrasonic Nondestructive Evaluation Simulations.
ICCS
Jacob Siegler, Leifur Leifsson, Robert Grandin, Slawomir Koziel, Adrian Bekasiewicz
2016 Misc conf
Trawl-Door Shape Optimization by Space-Mapping- Corrected CFD Models and Kriging Surrogates.
ICCS
Ingi M. Jonsson, Leifur Leifsson, Slawomir Koziel, Yonatan A. Tesfahunegn, Adrian Bekasiewicz
2015 J jnl
Aerodynamic shape optimization by variable-fidelity computational fluid dynamics models: A review of recent progress.
J. Comput. Sci.
Leifur Leifsson, Slawomir Koziel
2015 J jnl
Editorial.
J. Comput. Sci.
Slawomir Koziel, Leifur Leifsson
2015 J jnl
Efficient knowledge-based optimization of expensive computational models using adaptive response correction.
J. Comput. Sci.
Slawomir Koziel, Leifur Leifsson
2015 Misc conf
Fast Optimization of Integrated Photonic Components Using Response Correction and Local Approximation Surrogates.
ICCS
Adrian Bekasiewicz, Slawomir Koziel, Leifur Leifsson
2015 Misc conf
Multi-Objective Design Optimization of Planar Yagi-Uda Antenna Using Physics-Based Surrogates and Rotational Design Space Reduction.
ICCS
Slawomir Koziel, Adrian Bekasiewicz, Leifur Leifsson
2015 J jnl
Optimal shape design of multi-element trawl-doors using local surrogate models.
J. Comput. Sci.
Leifur Leifsson, Elvar Hermannsson, Slawomir Koziel
2015 Misc conf
Shape Optimization of Trawl-doors Using Variable-fidelity Models and Space Mapping.
ICCS
Ingi M. Jonsson, Leifur Leifsson, Slawomir Koziel, Yonatan A. Tesfahunegn, Adrian Bekasiewicz
2015 Misc conf
Surrogate-based Airfoil Design with Space Mapping and Adjoint Sensitivity.
ICCS
Yonatan A. Tesfahunegn, Slawomir Koziel, Leifur Leifsson, Adrian Bekasiewicz
2014 — conf
Computationally-Efficient EM-Simulation-Driven Multi-objective Design of Compact Microwave Structures.
SIMULTECH (Selected Papers)
Slawomir Koziel, Adrian Bekasiewicz, Piotr Kurgan, Leifur Leifsson
2013 — conf
Decomposition and Space Mapping for Reduced-Cost Modeling of Waveguide Filters.
SIMULTECH (Selected Papers)
Slawomir Koziel, Stanislav Ogurtsov, Leifur Leifsson
2013 — conf
Efficient Design of Inline E-Plane Waveguide Extracted Pole Filters Through Enhanced Equivalent Circuits and Space Mapping.
SIMULTECH (Selected Papers)
Oleksandr Glubokov, Slawomir Koziel, Leifur Leifsson